838459 has 2 divisors, whose sum is σ = 838460. Its totient is φ = 838458.

The previous prime is 838447. The next prime is 838463. The reversal of 838459 is 954838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 838459 - 2¹³ = 830267 is a prime.

838459 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (838429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419229 + 419230.

It is an arithmetic number, because the mean of its divisors is an integer number (419230).

2⁸³⁸⁴⁵⁹ is an apocalyptic number.

838459 is a deficient number, since it is larger than the sum of its proper divisors (1).

838459 is an equidigital number, since it uses as much as digits as its factorization.

838459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 838459 is about 915.6740686511. The cubic root of 838459 is about 94.2961461412.

The spelling of 838459 in words is "eight hundred thirty-eight thousand, four hundred fifty-nine".